Remove two screws from the bottom of the phone – easy, I can totally do this!
Soften the glue and pull out the back – hmm, I guess it's doable if I can find replacement glue.
Disconnect dozens of cables and parts – wow, it's going to be hard to remember how everything goes back together.
Peel off protective foam from motherboard – is it even possible to replace this stuff?
CNC grind the existing 128GB NAND to dust – I should probably stop watching now...